Question

Oxidation state of nitrogen is correctly given for:

Compound		Oxidation state
a	$Mg_3N_2$	-3
b	$NH_2OH$	+1
c	$(N_2H_5)_2SO_4$	+2
d	$[Co(NH_3)_5Cl]Cl_2$	0

• A. a
• B. b
• C. c
• D. d

Answer 1

Answer: (A)

The oxidation number of nitrogen in different compounds are :
$ Mg _{3} N _{2} \,\, -3 $
$ NH _{2} OH\,\, -1 $
$\left( N _{2} H _{5}\right)_{2} SO _{4} \,\, -2$
$ {\left[ Co \left( NH _{3}\right)_{5} Cl \right] Cl _{2}} \,\, +3$